Did you know that the first Android OS version code name was Petit Four? It means small bite-sized appetizer and served as inspiration for the desert-based names of future versions. That was version 1.1. The first publicly available version was Android 1.5 Cupcake, launching with the T-Mobile G1. Then in mid-2010 Eclair (versions 2.0 to 2.1) took over as the most popular version, about half a year after its introduction. 2.2 Froyo rose to the top at the end of 2010, again about six months after launch. Google was on a two releases per year schedule back then, introducing two major Android…